Principal Mechanical Engineer (Onsite)

Prattwhitney; Fort Wayne (IN); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

Medical, dental, and vision insurance

Generous 401(k) with company matching

Tuition reimbursement

Relocation assistance may be available

Job summary

Collins Aerospace is seeking a Principal Mechanical Engineer to design, document, implement, integrate, and test mechanical hardware for aerospace systems across the lifecycle, from proposal through production.

You will use CREO, perform GD&T, and conduct thermal and structural analyses; you will review drawings, manage to cost and schedule, collaborate with Program Management, Systems Engineering, and Manufacturing, and help drive hardware PDRs and gate reviews within RTX processes.

Qualifications

• Experience designing and developing hardware from concept to production.
• Proficiency with CREO/ProEngineer or similar CAD tool.
• Working knowledge of GD&T and drawings reading.
• Ability to obtain/maintain DoD security clearance; US citizenship required.

Responsibilities

• Design, document, implement, integrate, and test mechanical hardware.
• Perform thermal and structural analysis using calculations and tools.
• Review and release drawings; participate in peer reviews and program meetings.
• Support testing, subcontractors, and factory; ensure cost and schedule alignment.

Skills

CREO/ProEngineer

GD&T

FEM analysis

Thermal analysis

Structural analysis

Mechanical design

Drawings reading

MS Office

Education

STEM degree

Advanced degree

Tools

PTC Windchill

Job description

Position Overview

Date Posted: 2026-09-30

Country: United States of America

Location: US-IN-FT WAYNE-150A ~ 1010 Production Rd ~ BLDG 150A

Position Role Type: Onsite

U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Active and existing security clearance required after day 1

Raytheon Company, Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio, and expertise to solve customers’ toughest challenges and to meet the demands of a rapidly evolving global market. Our Resilient Connectivity Products (RCP) department is seeking a Principal Mechanical Engineer to join a highly accomplished team. In this position, the candidate will be responsible for developing technical solutions to a wide range of complex problems related to the entire product life cycle, including proposal, design, manufacture, integration, and test of various types of electronic systems, enclosures, and module assemblies for aerospace and defense applications. Familiarity with CREO/ProEngineer or a similar CAD tool, knowledge of GD&T drawing standards, and experience with finite element thermal and structural analysis is strongly recommended. The candidate will work with minimal direction or supervision while exercising considerable latitude in determining the technical objectives of the assignment.

U.S. Citizenship status is required as this position will require the ability to access U.S. only data systems.

Sign-on Bonus Eligible

What You Will Do

• You will perform design, documentation, implementation, integration, and test of mechanical hardware for system design.
• You will solve complex technical problems that require the regular use of ingenuity and creativity while applying sound technical judgment.
• You will conduct thermal and structural analysis utilizing hand calculations and industry standard tools.
• You will conduct and participate in internal and external peer reviews, technical meetings, and program meetings.
• You will provide support to testing, subcontractors, and the factory.
• You will ensure the consistent application of mechanical engineering best practices and follow common standards in accordance with RTX processes.
• You will execute as part of a small team during product development, drawing generation, drawing release, and drawing change incorporation.
• You will work with Program Management, Systems Engineering, Supply Chain, Customers, and other disciplines to develop and manage objectives and requirements for hardware pursuits and projects.
• You will manage to cost and schedule requirements of assigned tasks.
• You will work both independently and collaboratively as part of a diverse team.
• You will leverage new technologies, methodologies, tools, and processes used in industry to optimize hardware development, integration, and test efficiencies.

Qualifications You Must Have

• Experience designing and developing hardware, ranging from concept definition through detailed design and transition to production or product support.
• Demonstrated experience in mechanical design, product development, material selection, and manufacturing processes.
• Proficiency with CREO/ProEngineer or similar CAD tool.
• Must have a working knowledge of Microsoft Office products (Word, Excel, Powerpoint).
• Experience reading detailed engineering drawings, specifications, and basic understanding of Geometric Dimensioning & Tolerancing.
• Typically requires a degree in Science, Technology, Engineering or Mathematics (STEM) and minimum 8 years prior relevant experience or an Advanced Degree in a related field and minimum 5 years of experience
• The ability to obtain and maintain a U.S. government issued security clearance is required.
• U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance

Qualifications We Prefer

• Knowledge in the design of products and tooling used in applications requiring high reliability and extended life.
• Experience in developing detailed mechanical designs and documentation packages for electrical and mechanical systems.
• Experience in mechanical systems packaging, materials, thermal, and structural analysis.
• Experience with a gate release process for product development.
• Experience with the full product development cycle through Engineering and Manufacturing Development phases.
• Experience in mechanical design and development of multi-layer digital, analog, and RF circuit card assemblies.
• Experience in interconnect design techniques between components, modules, chassis, and subsystems.
• Experience in cooling techniques for circuit cards and chassis.
• Experience in a product data management environment such as PTC Windchill or similar.
• Experience in design support for Special Test Equipment and tooling required for IV&V and production efforts.
• Professional exposure to EVMS or similar cost and schedule tracking system.
• Knowledgeable in quality management systems such as ISO 9001 and AS9100.
• Experience as a Mechanical Lead Design Engineer, Hardware Lead Design Engineer, or Integrated Product Team Lead.
• Experience in proposal and cost estimation support of Hardware pursuits.

What We Offer

• Medical, dental, and vision insurance
• Three weeks of vacation for newly hired employees
• Generous 401(k) plan that includes employer matching funds and separate employer retirement contribution, including a Lifetime Income Strategy option
• Tuition reimbursement program
• Student Loan Repayment Program
• Life insurance and disability coverage
• Optional coverages you can buy pet insurance, home and auto insurance, additional life and accident insurance, critical illness insurance, group legal, ID theft protection
• Birth, adoption, parental leave benefits
• Ovia Health, fertility, and family planning
• Adoption Assistance
• Autism Benefit
• Employee Assistance Plan, including up to 10 free counseling sessions
• Healthy You Incentives, wellness rewards program
• Doctor on Demand, virtual doctor visits
• Bright Horizons, child and elder care services
• Teladoc Medical Experts, second opinion program
• May be eligible for Relocation And more!

Compensation

The salary range for this role is 107,500 USD - 204,500 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company’s performance.

This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply.

Equal Opportunity Statement

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.

Company Overview

RTX is an aerospace and defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses – Collins Aerospace, Pratt & Whitney, and Raytheon. Its 195,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, Virginia.